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关注：1
2013-05-23 12:21
求翻译：The fault generated transient signals are captured by the relay,the polarities and levels of the signals are then compared， from which the direction of the fault Call be derived．是什么意思？ 待解决
 悬赏分：1
- 离问题结束还有
The fault generated transient signals are captured by the relay,the polarities and levels of the signals are then compared， from which the direction of the fault Call be derived．
问题补充： |
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